#643BC5#643BC5

#643BC5 is a mid, highly saturated violet. Relative luminance 0.099; OKLCH L 48.4% C 0.201 H 290.5°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#643BC5
RGB	rgb(100, 59, 197)
HSL	hsl(258, 54%, 50%)
HSV	hsv(258, 70%, 77%)
CMYK	cmyk(49.2%, 70.1%, 0%, 22.7%)
CIE-LAB	lab(37.60, 50.08, -65.72)
CIE-LCH	lch(37.60, 82.62, 307.31°)
OKLab	oklab(48.41% 0.0704 -0.1885)
OKLCH	oklch(48.41% 0.201 290.5)
XYZ	xyz(16.8947, 9.8678, 53.8270)
Luminance	0.0987 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BC5 #9CC53B

analogous

#3B57C5 #643BC5 #A93BC5

triadic

#643BC5 #C5643B #3BC564

tetradic

#643BC5 #C53B57 #9CC53B #3BC5A9

square

#643BC5 #C53B57 #9CC53B #3BC5A9

split-complementary

#643BC5 #C5A93B #57C53B

monochromatic

#341F67 #4C2C96 #643BC5 #896AD3 #AF99E1

Accessibility & contrast

On white

7.06

#643BC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#643BC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BC5

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BC5	#FFFFFF	#000000	##FFFFFF
##643BC5	1.00	7.06	2.97	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC9

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#435E7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643bc5;
/* rgb */ color: rgb(100, 59, 197);
/* oklch */ color: oklch(48.4% 0.201 290.5);

Tailwind

colors: {
  custom: {
    50: '#9974d8',
    500: '#643bc5',
    950: '#000000',
  },
}

SCSS

$custom: #643bc5;
$custom-light: #9974d8;
$custom-dark: #000000;

JSON

{
  "hex": "#643bc5",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 197
  },
  "hsl": {
    "h": 257.826,
    "s": 54.331,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48413,
    "c": 0.20125,
    "h": 290.5
  },
  "luminance": 0.09868
}

Semantic roles & 50–950 ramp

primary

#643BC5

secondary

#BACD8F

accent

#DE4AB2

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643BC5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →